ENDLESS FUN: A totally useless box that provides endless fun! With this perpetual machine every time you flip the switch on, a little finger pops out and turns itself off!
EXCLUSIVE VERSION: Exclusive Red LED included. Make your box glow red! A professional looking but incredibly funny desk gadget, a desk novelty that won’t be forgotten.
DIY KIT: The Black Do It Yourself Useless Box Kit does not come assembled. A great geek gift and soldering kit gift. Perfect as a cool teen gadget gift.

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Product Description

Flip a switch and launch your very own nuclear attack with the Useless Box. Well, actually, turn the Useless Box on and this clever electromechanical box turns itself off. That’s right, experience endless, useless fun with the Useless Box. Also known as the Useless Machine or Perpetual Machine. Every time you flip the switch on the Useless Box, a little finger pops out and turns itself off. Sure it’s useless… but it keeps your itchy switch-flippin’ fingers busy! The Useless Box Kit does NOT come assembled and requires a Soldering Iron to assemble it. Includes an attachable red LED so that you can make your Useless Box glow from the inside! A perfect fit if you are looking for Cool Gadgets, Geek Gifts, Desk Gadgets or Desk Toys. If you want the fully assembled version of the Useless Box, search “Fully Assembled Useless Box” on Amazon.
ENDLESS FUN: A totally useless box that provides endless fun! With this perpetual machine every time you flip the switch on, a little finger pops out and turns itself off!
EXCLUSIVE VERSION: Exclusive Red LED included. Make your box glow red! A professional looking but incredibly funny desk gadget, a desk novelty that won’t be forgotten.
DIY KIT: The Black Do It Yourself Useless Box Kit does not come assembled. A great geek gift and soldering kit gift. Perfect as a cool teen gadget gift.
WHAT’S REQUIRED: Requires two (2) AA Batteries to run and a Soldering Iron to Assemble, both not included.
Search “Fully Assembled Useless Box” for a fully assembled version or our useless machine that even includes batteries!